Kyiv reacts to the news that U.S. President Joe Biden has changed his mind and will allow Ukraine to use American-supplied weapons on Russian territory. President Biden is in Brazil for the G20 as he prepares to hand power over to President-elect Donald Trump, who will take office in January with majorities in the House and Senate. Plus, a look at the President-elect's plans to use the U.S. military for mass deportations of illegal migrants.